O-ring function 第1页

Spatial patterns of and specific correlations between dominant tree species in a karst evergreen and deciduous broadleaved mixed forest in Mulun Karst National Nature Reserve. Scale and density: measuring local neighborhood density at different spatial scales Spatial distributions and associations of main tree species in a spruce-fir forest in the Changbai Mountains area in northeastern China Spatial distribution patterns of seedling and sapling in a spruce-fir forest in the Changbai Mountains area in northeastern China Spatial Point Patterns and Associations of Forest Landscapes in Pangu Forest Farm in Daxing‘an Mountains